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Nera SatLink Series User Manual

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Revision L, 29
Sep 2004
Nera Broadband Satellite AS

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Summary of Contents for Nera SatLink Series

  • Page 1 Revision L, 29 Sep 2004 Nera Broadband Satellite AS...
  • Page 3 Nera SatLink Terminal User Guide...
  • Page 4 Satellite AS makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties or merchantability and fitness for particular purposes. Moreover, Nera Broadband Satellite AS shall not be held liable for errors that may occur herein or for incidental or consequential damage in connection with the furnishing, performance or use of this material.

  • Page 5: Table Of Contents

    ODU installation......................14 Interface connections....................14 PC CONFIGURATION....................16 Dynamic IP configuration of PCs connected to the Nera SatLink Terminal LAN ..16 Static IP configuration of PCs connected to the Nera SatLink Terminal LAN .... 17 Tuning of TCP parameters..................18 USING THE COMMAND LINE INTERFACE OF THE SATLINK TERMINAL ....
  • Page 6 Assembly of LNB unit, transmitter and feed-horn .......... 72 Assembly and installation of the antenna ............77 APPENDIX H. USING OTHER BUCS THAN THE NERA SATLINK 3000 ......88 Calibrating the IDU output power ..............88 APPENDIX I. THE BOOT SW .................... 91 APPENDIX J.

  • Page 7: Introduction

    Nera SatLink Terminal User Guide Introduction The Nera SatLink 1000, 1900, 1901 and 1910 are members of the Nera SatLink Terminal family of DVB- RCS Terminals. They act as IP routers to interface one or more PCs for bilateral communication via the satellite network.

  • Page 8: This User Guide

    Visiosat Tx/Rx 90cm Gregorian Offset Antenna, P/N 103044 Configuration overview Like all DVB-RCS terminals, the Nera SatLink Terminal must be configured before it can communicate via the satellite to and from the gateway in the Hub station. There are two aspects of configuration: •...
  • Page 9 Nera SatLink Terminal User Guide and the wanted EIRP for each single terminal. For the current release the following options are supported for configuration: • Command Line Interface Via RS232/HyperTerminal (utility under Windows) Telnet (terminal-to-terminal remote host protocol), either from local LAN or the Satellite interface (the Gateway).

  • Page 10: Unpacking

    Determine if the victim needs artificial respiration or external cardiac compressions; then take appropriate action. 3.1.2 Site requirements The Nera SatLink Terminal shall be connected to the mains 110/230 VAC, 50-60Hz. 3.1.3 Network The Nera SatLink 1900/1901 provides an autodetect interface to a 10/100T Ethernet via an RJ45 connector.

  • Page 11: Front And Back Panels

    Nera SatLink Terminal User Guide Front and back panels Figure 4: SatLink 1900/1901 Front panel. Table 1: Font-panel LEDs Colour, indicates Power Blue, steady on when power switch is on and unit is powered. Blinks when the software is loading.
  • Page 12 Nera SatLink Terminal User Guide Figure 5: SatLink 1900/1901 Back-panel Table 2: Back-panel connectors and switches. Item Description On/off switch Mains power on (1) or off (0). Mains Connector Standard recessed plug for Mains cord. COM1 Nine-pin connector for connecting CLI interface to a computer serial RS232 Connector interface.

  • Page 13: Idu Installation

    The Nera SatLink 1900/1901/1910 can be mounted in any EIA-standard 19-inch telecommunications rack or cabinet. The Nera SatLink 1000 needs to be placed on a shelf is it shall b e placed in a rack. Use a Torx screwdriver and attach the mounting brackets to the router with the screws supplied. Hold the unit securely, brackets attached, and move it vertically until rack holes line up with the bracket notches, then insert and tighten the four screws holding the brackets to the rack.

  • Page 14: Odu Installation

    Install the ODU as described in Appendix G and references [1], [2], [3], [4]and [5]. Interface connections 3.5.1 Rx/Tx cables between IDU and ODU The coaxial cables from the ODU are connected to the type F coaxial jacks on the back panel of the Nera SatLink Terminal. See also document Cable specification 102317. •...
  • Page 15 Nera SatLink Terminal User Guide 3.5.4 Power supply The Nera SatLink 1000 has an external power supply that is connected to a 110/230 VAC 50/60Hz outlet using a standard 230 VAC mains cord. Warning: The Nera SatLink 1000 must only be connected to the external power supply that is approved by Nera, P/N 104170 (LEI-S2425D / Model No.

  • Page 16: Pc Configuration

    Dynamic IP configuration of PCs connected to the Nera SatLink Terminal By default the DHCP server in the Nera SatLink Terminal is enabled, and all PCs connected to the Nera SatLink LAN can automatically retrieve their IP configuration from the DHCP server. The user should verify that the Window clients are configured to obtain an IP address and DNS server address automatically.

  • Page 17: Static Ip Configuration Of Pcs Connected To The Nera Satlink Terminal Lan

    Static IP configuration of PCs connected to the Nera SatLink Terminal LAN All PCs attached to the Nera SatLink Terminal LAN should be configured with static IP addresses when the DHCP server in the SatLink Terminal is not enabled. The IP configuration parameters to use for PCs connected to the Nera SatLink Terminal LAN are supplied from the system operator or service provider.

  • Page 18: Tuning Of Tcp Parameters

    Nera SatLink Terminal User Guide Figure 9: Configuring Windows TCP/IP properties The DNS address can also be set in this menu. Tuning of TCP parameters TCP is a packet-based protocol where data is transmitted in variable sized blocks. The TCP Receive...
  • Page 19 Nera SatLink Terminal User Guide Figure 10: TCPTune utility Figure 11: Dr. TCP utility...

  • Page 20: Using The Command Line Interface Of The Satlink Terminal

    Nera SatLink Terminal as well as for showing status and reports. Start-up sequence When turning on the Nera SatLink Terminal first the Boot SW is loaded. A message like this is displayed on the CLI/RS-232 when the boot SW starts. Note that Telnet is not available before the application has been started.:...

  • Page 21: Cli Users Access Rights

    Note that older version of the SatLink 1900 (revision 1.x) may have the factory default password for the root user. The root password on these terminals can not be changed by the admin123 passwd command. Contact Nera if there is a strong need to change the root password on such a terminal.

  • Page 22: Logging Of Events

    Logging of events The Nera SatLink Terminal logs certain events to a log stored in RAM. See Appendix M for a list of the different events and what action that need to be taken for the different events. Use the CLI command to show the log from memory.

  • Page 23: Cli Command Summary

    Nera SatLink Terminal User Guide CLI command summary The available CLI commands are listed below. CLI commands Available in Available in User Boot Application Privilege Level ping <ipaddr> del <filename> ren <filename1> <filename2> dir [ext] type <filename> save config dload <filename> <ipaddr>...
  • Page 24 Nera SatLink Terminal User Guide CLI commands Available in Available in User Boot Application Privilege Level ip addroute <destaddr> <netmask> <next hop> <ifnum> ip delroute <destaddr> <netmask> <next hop> ip qos mask <index> <group> {{+|-}<tag> <tag-parms>}+ ip qos show ip set <ifnum> <ipaddr> <mask>...

  • Page 25: Nera Satlink Terminal Configuration

    If the Nera SatLink Terminal does not seem to be reachable from the LAN just after power-on this may be due to slow update of the ARP cache on the PC. Then verify that the Nera SatLink Terminal is registered in the PC’s ARP cache by using the MS-DOS command arp –a Use the Nera SatLink Terminal’s Satellite Interface (DVB) IP address when using Telnet over the...

  • Page 26: Initial Configuration Of Parameters

    - SW ID 101224, Revision 7.0.1 Build 21 Note that one must press Enter once to get the login-prompt to display if using the CLI via RS-232. The Nera SatLink Terminal should now be ready to be configured as described in the following sub- sections.
  • Page 27 DVB interface IP address. Please, always make sure that the next hop IP address for the default route is neither located on the Nera SatLink Terminal’s own LAN nor is the DVB interface of the SatLink Terminal. Otherwise it will break the IP connectivity from the Nera SatLink Terminal to the DVB-RCS...
  • Page 28 Visiosat Tx/Rx 90cm Gregorian Offset Antenna 90cm The Nera SatLink Terminal is normally pre-configured to use the Channel Master 960 antenna. If another antenna listed in the table above is to be used, please enter the CLI command odu antenna <type>...
  • Page 29 Nera SatLink Terminal User Guide Example: # odu show Antenna Configuration --------------------- Type Channel Master Type 960 - 96cm Tx Gain at 14.25 GHz 41.2 dB ODU Transmitter (BUC) Configuration ----------------------------------- Type Nera SatLink 3000 Product ID 0x0000000000 Local oscillator 13.040000 GHz...
  • Page 30 SatLink Terminal must be restarted for the new configuration to take effect. 6.2.3 Terminal position In order to calculate the delay to the satellite correctly for the logon burst the Nera SatLink Terminal must be configured with its own position.
  • Page 31 Nera SatLink Terminal User Guide 4) Configure the longitude: – Enter the CLI command where dvb pos long <deg> <min> <mindec> <dir> = degrees = minutes mindec = 1/100 minutes dir = direction. 0 = East. 1= West. Example: # dvb pos long 10 29 05 0 sets the longitude to 10°29.05'E.
  • Page 32 6.2.5 Population ID The Nera SatLink Terminal will select which group in the DVB-RCS system it belongs to based on the configured population ID. Set the population ID by using the CLI command , where dvb popid <id>...

  • Page 33: Odu Line-Up

    6.2.4 Forward link parameters), the Nera SatLink Terminal is ready to acquire the forward link: 1. Start the Nera SatLink Terminal and login as root (user = root, factory default password = nera) after having seen the message Starting DVB interface.
  • Page 34 Ask the control centre if they can detect the transmitted CW. If they are not able to see the CW at the specified frequency and expected output power level, please power off the Nera SatLink Terminal immediately.
  • Page 35 Nera SatLink Terminal User Guide 9. Verify the calibrated power levels using the CLI command dvb tx show Example: # dvb tx show Satellite (DVB) TX Configuration -------------------------------- Auto start : Disabled Population ID IDU output power : -26 dBm EIRP : 42.0 dBW...

  • Page 36: Test Of Dvb-Rcs Connection

    Before proceeding ensure that the Nera SatLink Terminal MAC and IP addresses have been properly configured at the DVB-RCS gateway. The DVB MAC address must be registered at the gateway before the Nera SatLink Terminal is allowed to log on to the DVB-RCS network. Use the CLI command...

  • Page 37: Prepare The Nera Satlink Terminal For Normal Operation

    Nera SatLink Terminal User Guide 3. To test the IP connection to the gateway open an MS-DOS window on the PC connected to the Nera SatLink Terminal LAN (Ethernet). Type the MS-DOS command ‘ping 10.10.10.1’ to test the connection to the gateway router If the router gives a positive reply to the ping message then the DVB-RCS satellite link is successfully up and running.

  • Page 38: Lan Dhcp Server

    DHCP server, then the DHCP server will have the IP address range 10.10.10.1 to 10.10.10.252 available for DHCP clients. • Primary DNS server: IP address for the primary DNS server to be used by the hosts on the Nera SatLink Terminal LAN. •...
  • Page 39 | 10.10.20.113 |1>00:01:03:85:23:5d | In less than 15 minutes | |_____________|______________|____________________|_________________________| Note that the Nera SatLink Terminal relies on the system time being signalled on the forward link via the Time and Date Table (TDT). If the TDT table is not present on the forward link, the Nera SatLink Terminal has no knowledge of the current time, and DHCP leases will only be given for 15 minutes as described above also when the terminal has acquired the forward link.

  • Page 40: Quality Of Service

    Nera SatLink Terminal User Guide Quality of Service The Nera SatLink Terminal can be configured to support two different QoS groups on the return link. QoS on the forward link is handled by the DVB-RCS Gateway. QoS is used to provide differentiated handling of different types of IP traffic. The aim is to be able to satisfy traffic flows for applications with different requirements.

  • Page 41: Configuring Qos For The Return Link

    Nera SatLink Terminal User Guide Configuring QoS for the return link In order to be able to decide which QoS group an IP packet destined for the return link belongs to, the SatLink terminal has a table called the QoS classification table which can store up to 15 different masks that the IP packets will be matched against to decide which QoS group it belongs to.
  • Page 42 Nera SatLink Terminal User Guide Examples: To add an entry in the QoS classification table matching protocol type 7 and assign this to the VoIP QoS Group ip qos mask 3 1 +prot 1 7 To add one more classification criteria for the same entry, e.g. destination address: ip qos mask 3 1 +dst 10.10.22.0 255.255.255.0...

  • Page 43: Return Link Capacity

    (MaxRBDC) of 200 kbps to the Nera SatLink Terminal. The maximum capacity the Nera SatLink Terminal can get on the return link is therefore 214 kbps. In the example above the current capacity is 20 kbps.

  • Page 44: Traffic Initiated Logon

    45W to approximately 22W when the terminal is logged off. The Nera SatLink Terminal can be configured to use traffic initiated logon by typing the CLI command where is the timeout in minutes the terminal dvb tx autostart traffic <timeout>...

  • Page 45: Updating The Nera Satlink Terminal Sw

    Nera SatLink Terminal User Guide 11. Updating the Nera SatLink Terminal SW The flash in the Nera SatLink Terminal can store two SW images, both the currently used SW and a backup version in case download of a new SW version fails.

  • Page 46: Manual Software Update

    Below is described in detail how to upgrade the Nera SatLink Terminal software: 1. Verify the default settings for the manual software upgrade with the CLI command sw show 2.

  • Page 47: Restoring The Backup Software

    Nera SatLink Terminal User Guide 11.3 Restoring the backup software If one for some reason must restore the old software, then the following steps have to be executed. Please note that the current SW will be deleted when restoring the backup SW.

  • Page 48: Software Options

    The Nera SatLink terminal supports the following features available as options: • Network Address Port Translation (NAPT) • GRE Tunnelling To show the list of options for which licenses are installed on the Nera SatLink Terminal, use the CLI command sw show Example: # sw show...

  • Page 49: Generic Routing Encapsulation (Gre) And Ip Tunnelling

    To enable Network Address Port Translation in the Nera SatLink Terminal, use the CLI command ip nat enable Example: # ip nat enable To show the status of the Network Address Port Translation in the Nera SatLink Terminal, use the CLI command ip nat show Example...
  • Page 50 Example # ip addroute 225.0.0.2 255.255.255.255 4 Will forward multicast datagrams with IP address 225.0.0.2 from the Nera SatLink Terminal LAN interface to the GRE interface (note that forwarding of multicast IP traffic from DVB interface to GRE interface is not supported in the current release). As shown by the CLI command...

  • Page 51: Setting Up Routing Of Multicast Traffic From The Satlink Terminal Lan To The Gateway

    13. Setting up routing of multicast traffic from the SatLink Terminal LAN to the gateway The Nera SatLink Terminal can be configured to route multicast traffic from the LAN to the return channel (to the gateway). User privilege level 1 or 2 is required for configuring the multicast routing.
  • Page 52 Nera SatLink Terminal User Guide will configure the Nera SatLink terminal to route the multicast stream 224.0.0.2 with RFC1112 destination MAC address onto PID 511. To display the configured return link IP address to PID mappings, enter the CLI command...

  • Page 53: Definitions, Acronyms And Abbreviations

    Nera SatLink Terminal User Guide 14. Definitions, Acronyms and Abbreviations Bit Error Rate Block Up-Converter Command Line Interface Continuous Rate Assignment Common Signalling Channel Continuous Wave DiSEqC Digital Satellite Equipment Control Domain Name Service Digital Video Broadcasting DHCP Dynamic Host Configuration Protocol...

  • Page 54: References

    [2] Channel Master Instruction and Assembly manual. Type 123 1.2m Rx-Tx Antenna System with Factory Assembled AZ/EL Cap, Nera document No. 101705. [3] Channel Master Instruction and Assembly manual, Type 184 1.8m Offset Tx/Rx Antenna System, Nera document No. 104218.

  • Page 55: Appendix A. Using The Web Interface

    SNMP access, and adding manual IP routes, are only available from the CLI via Telnet or the RS-232 port. If experiencing any problems using the Web interface for management of the Nera SatLink Terminal, please use the CLI via Telnet or RS-232 as a work-around for the problem..
  • Page 56 Nera SatLink Terminal User Guide A.1.2 Traffic statistics Traffic statistics can be seen by choosing the "Status" page, and then selecting the "Statistics" button. The page consists of three tables: IP packet statistics, satellite forward link statistics (receive), and satellite return link statistics (transmit).
  • Page 57 Nera SatLink Terminal User Guide A.1.3 Device information Figure 14: Device status...

  • Page 58: Configuration Of The Satellite Interface

    Norsat 1010/1020XRT • Antenna Type. When the terminal is configured with the SatLink 3000 transmitter (BUC), the correct antenna must be configured to allow the Nera SatLink Terminal to compute the correct EIRP. The following antennas are supported: • Channel Master Type 960 - 96cm •...
  • Page 59 Nera SatLink Terminal User Guide Figure 15: Satellite Interface Configuration...

  • Page 60: Ip Address Configuration

    Nera SatLink Terminal User Guide IP address configuration The IP addresses of the Nera SatLink terminal can be set from the Web-interface. Figure 16: IP address configuration Note: Please note that after saving the new IP address the IDU needs to be restarted for the changes to take place.

  • Page 61: Terminal Line-Up

    "Start Calibration". The correct output level from the IDU will then be found based on output power level measurements from the Nera SatLink 3000. The IDU will use the power level found during the calibration as the initial power level for the logon burst each time it tries to logon.
  • Page 62 Nera SatLink Terminal User Guide Figure 17: Terminal line-up...

  • Page 63: Appendix B. Accessing The Command Line Interface Via Rs-232

    • Detailed debugging The Command Line Interface may then be accessed from a local PC connected to the Nera SatLink Terminal’s RS-232 interface via a serial cable. HyperTerminal or any compatible terminal emulation program is used to access the CLI interface via RS-232.
  • Page 64 Figure 19: Hyper Terminal Connect To dialogue box Select the COM port where the serial cable attached to the Nera SatLink Terminal is connected, and click OK. The COM port Properties property sheet will appear, as shown in Figure 20.
  • Page 65 Nera SatLink Terminal User Guide Use the pull-down lists to enter: • Bits per second: 38400 • Data bits: • Parity: None • Stop bits: • Flow control: none Click Apply to accept the properties. The property sheet will close and communication with the SatLink Terminal may begin.

  • Page 66: Appendix C. Tftp Server

    TFTP upload from and download to the Nera SatLink Terminal has been tested with version 2.51 of this TFTP server, but any TFTP server should work. It is however essential that the TFTP server has support for negotiation of block lengths up to 8 Kbytes in order to obtain satisfactory performance over the satellite link, in terms of acceptable download time.

  • Page 67: Appendix D. Telnet Client

    Nera SatLink Terminal User Guide Appendix D. Telnet Client A good freeware Telnet client is Terra Term Pro 2.3. The software can be download from the Terra Term home page: http://hp.vector.co.jp/authors/VA002416/teraterm.html. Especially when running Telnet from Windows XP it is recommended to use Terra Term instead of the built in Telnet Client in Windows XP, since setting Local Echo in the Windows XP client does not seem to work.

  • Page 68: Appendix E. Management Via Snmp

    Nera SatLink Terminal User Guide Appendix E. Management via SNMP Management of the Nera SatLink Terminal is supported via SNMP. For further information of SNMP management and the MIBs available, please refer to [6] and/or contact the system operator.

  • Page 69: Appendix F. Changing Pre-Configured Parameters

    The transmission of a pure tone (CW) is supported for aiding the antenna fine adjustment as well as for use during power calibration. A default frequency for CW transmission is stored in the Nera SatLink Terminal configuration. This default frequency may be changed with the CLI command where is the return link frequency [kHz].

  • Page 70: Appendix G. Odu Assembly And Mounting Procedure

    4. Elevation and azimuth adjustment of antenna 5. Polarisation alignment 6. Line-up procedure including polarisation alignment and power adjustment of the Nera SatLink Terminal. The purpose of this Appendix is to describe the ODU assembling and mounting process, more detailed procedures are given in Section 6.3 and Appendix H for terminal line up.

  • Page 71: Odu Basic Components

    Nera SatLink Terminal User Guide ODU basic components The ODU comprises the antenna with feed-horn and mounting structure, a LNB unit with OMT and Tx- reject filter and a transmitter (BUC). Two cables with F-connectors, one for Tx and one for Rx are connecting the ODU to the IDU.

  • Page 72: Assembly Of Lnb Unit, Transmitter And Feed-Horn

    LNB unit with screws. Nera SatLink 3000 Transmitter with o-ring and screws. RF signals are received and transmitted at orthogonal polarisations, thus the LNB unit includes an OMT (Ortho-Mode Transducer). The feed-horn is connected to the circular wave-guide (18.5 mm in diameter, C120) while the transmitter is connected to the rectangular waveguide (R120, WR75, UBR120).
  • Page 73 F- connector must be used between the TX cable and the BUC connector. Transition connector The Nera SatLink 3000 transmitter has a female F-connector as input connector, therefore no transition is needed with the TX cable. No transition required...
  • Page 74 Nera SatLink Terminal User Guide An assembly drawing with a Norsat 1020XRT transmitter is shown below:...
  • Page 75 Nera SatLink Terminal User Guide An assembly drawing with a Nera SatLink 3000 transmitter is shown below:...
  • Page 76 Nera SatLink Terminal User Guide The different assembly steps are shown below: Connect the feed-horn with the LNB unit using the correct screws. Remember the o-ring. Insert an o-ring at the WR-75 wave-guide interface on the transmitter. Connect the transmitter to the LNB unit using the correct screws.

  • Page 77: Assembly And Installation Of The Antenna

    Nera SatLink Terminal User Guide Assembly and installation of the antenna Different mounting structures for antennas are shown below. From the left-hand side, we have an L- shaped wall-mount, a three-leg mount and a standard straight mount. The tube diameter is 76 mm. For a correct mounting the surface must be vertical or horizontal respectively.
  • Page 78 Nera SatLink Terminal User Guide Bolts and equipment. Compass Check the visibility towards the satellite.
  • Page 79 Nera SatLink Terminal User Guide Installation of an L-shaped wall-mount on a pipe: The mount must be fixed to the wall and levelled so the upper part of the tube is vertical. The antenna az/el mount is fastened to the vertical tube:...
  • Page 80 Nera SatLink Terminal User Guide Continue the installation process: Fasten the feed-horn, LNB and transmitter to the feed-mount. Fasten the parabolic reflector to the az/el mount. Fasten the U-shaped profile to the reflector and connect the feed-mount. Fasten the short support...
  • Page 81 Nera SatLink Terminal User Guide Connect the long support rods to the feed-horn mount. Adjust the position of the transmitter (coarse adjustment) to horizontal or vertical polarisation depending on the satellite transponder you are going to use. Tighten the bolts.
  • Page 82 Nera SatLink Terminal User Guide The peaking of the antenna by adjustment of azimuth and elevation: Coarse adjustment of azimuth. Loosen the bolts and adjust. Alternatively, rotate the complete antenna on the vertical rod. Fine adjustment of azimuth. Loosen the second nut and adjust.
  • Page 83 Nera SatLink Terminal User Guide satellite (the carriers are those you expect). If the polarisation is not well aligned, you will also see the carriers on the orthogonal polarisation. Then, continue with the fine adjustment in elevation and azimuth. It is recommended that the span on the spectrum analyser cover a single transponder.
  • Page 84 Nera SatLink Terminal User Guide G.5.2 Polarisation alignment Rotate the complete feed-system (horn, LNB and transmitter) very slowly and carefully in one direction away from the coarse polarisation alignment. Monitor the spectrum-analyser and observe the carriers on the opposite polarisation.
  • Page 85 After polarisation adjustment. The carriers have disappeared. Tighten all the bolts and screws properly and have a final check on signal level and polarisation. Below an ODU with a Nera SatLink 3000 transmitter is shown with the additional polarisation tilt visibly.
  • Page 86 Nera SatLink Terminal User Guide G.5.3 Additional work The Rx- and Tx-cables should be strapped to the feed-mount. Finally, the F-connectors must be protected against rain and humidity. Use a self-vulcanising tape suitable for out-door use. The cables must also be properly marked.
  • Page 87 G.5.4 Cables Nera recommends cables from Times Fiber. For cable lengths up to 62 m, Times Fiber series 6 (diameter 6.93 mm) can be used. For lengths up to 82 m, use series 11 (diameter 10.2 mm) and for longer lengths, use series 500 (diameter 14.2 mm).

  • Page 88: Appendix H. Using Other Bucs Than The Nera Satlink 3000

    • Nera SatLink 3000 revision 3.0 and earlier. Please refer to section 6.3.2 for the description of the simpler calibration procedure for the Nera SatLink 3000 (revision 5.0 and newer). Ensure that the Nera SatLink Terminal configuration procedure in section 6.2 has been performed.
  • Page 89 Nera SatLink Terminal User Guide Example: dvb tx cw on -30 14100000 will transmit a CW from the ODU output at 14.1 GHz with an IDU output power of –30 dBm from the Nera SatLink Terminal. Please check immediately with the control centre if they can detect the transmitted CW. If they are not able to see the CW at the specified frequency and expected output power level, please power off the Nera SatLink Terminal immediately.
  • Page 90 Nera SatLink Terminal User Guide and type the CLI command: dvb tx outpow –27 Verify the setting by issuing the CLI command dvb tx show and save the setting by issuing the CLI command save config...

  • Page 91: Appendix I. The Boot Sw

    The Boot SW is stored outside the file system and can be compared with the BIOS and MS-DOS on a PC. It is used to have access to file system and the LAN when there is no application loaded on the Nera SatLink Terminal.

  • Page 92: Appendix J. Debugging Network Connections

    Debugging network connections Ping is a useful tool to debug network connections. A ping test can be done from a PC connected to the Ethernet port of the Nera SatLink Terminal (e.g. from Microsoft command prompt). Use the following commands: 1.

  • Page 93: Appendix K. Collecting Information If A Problem Occurs

    Nera SatLink Terminal User Guide Appendix K. Collecting information if a problem occurs If a problem occurs with the DVB-RCS terminals for which support might be needed, having the information listed below available will be helpful. 1. The terminal log from the HyperTerminal Window.

  • Page 94: Appendix L. Tcp Enhancement And Tuning

    Nera SatLink Terminal User Guide Appendix L. TCP enhancement and tuning The Transmission Control Protocol – TCP now is used by most applications on the Internet (e.g. HTTP, POP3 and FTP). The protocol is designed for controlling the end-to-end flow of data over an IP network, by imposing error control and congestion control.

  • Page 95: Appendix M. List Of Events That May Be Logged

    Appendix M. List of events that may be logged The following are the most common events that may be shown in the log from the Nera SatLink Terminal. Use the CLI command to display the list of events stored in memory and the log show to display the list of events stored on the flash file system.
  • Page 96 The Nera SatLink Terminal was not able to enter the fine synchronisation state when trying to log on. After a timer has expired the Nera SatLink Terminal will retry to log on to the DVB-RCS gateway. ODU power on failure...
  • Page 97 User action Comment required Missing Table Major None The Nera SatLink Terminal is not receiving a mandatory DVB-S/DCB-RCS table on the forward link. If the problem does not disappear within 10-60 minutes please contact the DVB-RCS gateway operator. TCT Inconsistency...
  • Page 98 None It reports successful terminal software completed upgrade via TFTP. Automatic SW Normal None The Nera SatLink Terminal has started download started automatic download via Multicast of a new software version Automatic SW Normal None The Nera SatLink Terminal has successfully...

  • Page 99: Appendix N. Compliance

    Nera SatLink Terminal User Guide Appendix N. Compliance The Nera SatLink 1000, 1900, 1901 and 1910 comply with the essential requirements of Article 3 of the R&TTE 1999/5/EC Directive, if used for its intended use. Safety (Article 3.1.a of the R&TTE Directive) This equipment has been designed and tested to meet the requirements of the following standards: •...
  • Page 102 Nera Broadband Satellite AS Nera SatLink Terminal User Guide Revision L, 29 Sep 2004 Bergerveien 12 PO Box 91 N-1375 Billingstad, Norway Tel: +47 67244700, Fax: +47 66859115 E-mail: ur@nbs.nera.no Website: www.neraworld.com...

This manual is also suitable for:

Satlink 1000Satlink 1900Satlink 1901Satlink 1910

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